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A map showing the most recent location of lava from Kilauea (Image: USGS)

The Beach road is restricted to outbound traffic from four corners to Hawaiian Beaches to allow residents to evacuate.

Meanwhile residents close to any volcanic activity are being told to keep alert and be prepared to voluntarily evacuate if necessary.

The message added: “Cell Phone and Telephone landline communications in the Kapoho area have been severely limited due to downed power and telephone lines.

“Stay tuned to local radio stations for updates from Civil Defense.”

Lava bubbles up from one of the volcano's fissures (Image: GETTY)

In addition, the Department of Health has changed the venue for a scheduled meeting to discuss the risks vog and ash exposure in the Kau District.

It will be at the Robert Herkes Gym and Emergency Shelter in Pahala at 5:30pm.

Kilauea, located on Hawaii’s sparsely populated Big Island, has been erupting since May 3, with more than 2,000 people having being evacuated so far.

Dangers include noxious vapours such as vog, which occurs when sulphur dioxide emitted by the volcanic fissures is exposed to sunlight, oxygen and other natural gases, and laze, which is produced when lava reaches the ocean and mixes with seawater.

There’s no sign of it slacking off yet

The Open University's Dr David Rothery

Another hazard, Pele’s hair, consists of fine threads of volcanic glass, formed when a spray of lava droplets cools rapidly in the air.

Dr David Rothery, professor of planetary geosciences at the Open University, who visited Big Island earlier this month, said: “This eruption is not over – it could go on for weeks or months.

“There’s no sign of it slacking off yet.

“It should be pointed out though that it has been erupting since 1983.

“What we are seeing is an intensification of that but we can’t say it’s anything too unusual.”